NEW Tactical Brass Knuckle Style OTF Auto Out The Front Dagger Blade Trench Knife - Knuckle Trench Folding Pocket Knife - EDC Knuckle Trench Boxing Set Self Defense Grapple Tactical Knife -
can you punch with a knuckle knife the same way you are supposed to punch with brass knuckles, how did the boys use these in the trenches? : r/martialarts